Image Resources
Optimizing Step 1: Scale down your image
Scale down your image to the size you intend for your website (No need for larger than 1920px wide in general)
Optimizing Step 1 (alt): Crop your image
Use this online cropping tool to clip out a certain section of your image to a specific size
Optimizing Step 2: Compress your image
Use tinypng.com to reduce your image file size for use on the web
PowerPoint Optimizing
Use this site to optimize PowerPoints for sharing or publishing
Image Converter To SVG
Use this site to convert from JPG or PNG to SVG format.
Photodune
Affordable Stock Photos
Unsplash
Another stock photo site
Pixabay
A free stock photo site
Pikwizard
Stock photo site with free and paid options